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Note D - Debt (Details Textual) - USD ($) |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 22, 2021 | May 19, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Apr. 14, 2021 | Mar. 08, 2021
Gain (Loss) on Extinguishment of Debt, Total |  |  | $ 1,706,614 | $ (0) |  |
Revolving Credit Facility [Member] | JPMorgan Chase Bank N.A. [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 20,000,000 | $ 10,000,000
ABL Facility [Member] | JPMorgan Chase Bank N.A. [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 40,000,000 |  |  |  |
Debt Instrument, Covenant, Borrowing Limit as Percent of Accounts Receivable |  | 85.00% |  |  |  |
Debt Instrument, Covenant, Borrowing Limit, Factor Multiplied by the Net Orderly Liquidating Value of Inventory, Percentage |  | 85.00% |  |  |  |
Debt Instrument, Covenant, Borrowing Limit, Factor Multiplied by the Net Orderly Liquidating Value of Equipment, Percentage |  | 85.00% |  |  |  |
Debt Instrument, Covenant, Borrowing Limit, Machinery and Equipment Component Limit |  | $ 5,000,000 |  |  |  |
Debt Instrument, Covenant, Fixed Charge Coverage Ratio |  | 1.10 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Maximum Conditional Increase |  | $ 10,000,000 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Conditional Increase, Minimum Increments |  | $ 5,000,000 |  |  |  |
Long-term Line of Credit, Total |  |  | $ 10,863,213 |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  | 1.79% |  |  |
ABL Facility [Member] | JPMorgan Chase Bank N.A. [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.70% |  |  |  |
Paycheck Protection Program CARES Act [Member] |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt, Total | $ 1,706,614 |  | $ 1,706,614 |  |  |

X
- Definition Requirement for borrowing limit presented as a percent of accounts receivable under the debt agreement. + References No definition available. + Details
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- Definition The factor to be multiplied by the net orderly liquidating value of eligible equipment used to calculate the borrowing limit under the debt instrument. + References No definition available. + Details
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- Definition The factor to be multiplied by the net orderly liquidating value percentage identified in the most recent appraisal to calculate the borrowing limit under the debt agreement. + References No definition available. + Details
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- Definition The machinery and equipment limit used to calculate the borrowing limit under the debt instrument. + References No definition available. + Details
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- Definition Requirement for fixed charge coverage ratio under the debt agreement. + References No definition available. + Details
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- Definition The minimum amount per increment of increases to the maximum borrowing capacity of the line of credit facility upon the satisfaction of certain conditions. + References No definition available. + Details
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- Definition The maximum amount of increase to the maximum borrowing capacity of the line of credit facility upon the satisfaction of certain conditions. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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